ML19262A436

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Inquiry Rept 50-289/72-01:on 730322,concrete Voids Found in South 180 Degree Section of Containment Ring Girder.Voids Less Severe than Those at North 180 Degree Section.Licensee Investigating to Determine Magnitude & Frequency
ML19262A436
Person / Time
Site: Crane Constellation icon.png
Issue date: 03/23/1972
From: Heishman R
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
To:
Shared Package
ML19262A434 List:
References
50-289-72-01, 50-289-72-1, NUDOCS 7910290782
Download: ML19262A436 (1)


See also: IR 05000289/1972001

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C0 Inquiry Report No. 50-289/72-01

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Subject: Metropolican Edison Company

License No.:

CPPR-40

Facility: Three Mile Island No. 1

Titie: Concrete Voids - Containment Ring Girder

34-M

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Prepared By:

W

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'R. F. Heishman, Reactor Inspector

Date

l

A.

Date and Manner AEC Was Informed:

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Mr. R. W. Heward, Jr. , Project Manager, telephoned E. M. Howard,

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CO I, on March 22, 1972.

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B.

Description of Particular Event or Circumstance:

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Concrete voids have been identified in the South 180 section

of the ring girder, which had previously been reported by the

licensee as sound. These voids are reported to be much less

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severe than those currently being repaired in the North 1800

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section. The degree and extent of these voids has not been

determined at this time.

C.

Action by Licensee:

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The licensee is conducting an investigation to datermine the

magnitude and frequency of the voids.

A CO:I inspector is enroute to the site and will inspect the

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matter as a part of his unannounced inspection. Additional

information will be provided in future reports.

1480

318

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89102907h 1

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